Rogue, a 4-year-old Belgian sheepdog, helps The Nature Conservancy find rare plants in Oregon that provide shelter for an endangered butterfly. Check out the great video and photos! Why isn't *my* dog this smart?!

<p>In one of the most significant conservation sales in U.S. history, The Nature Conservancy and The Trust for Public Land have preserved 320,000 acres of pristine forest in western Montana that provide valuable habitat for species.</p>

Coral reefs provide the world with goods and services worth US$375 billion annually, but scientists estimate that 70% of all corals reefs could be lost by 2050. Now a new initiative aims to conserve an astounding 83% of the world's coral species.

Wild and wondrous, rainforests extend from as far as Alaska and Canada to Latin America, Asia and Africa. They nurture thousands of plants and animals found nowhere else on Earth and provide life's essentials such as our medicines, food and water.

Remember when "environmentalist" just meant... recycling? Today there's a lot more choice! Check out these tips from scientists and leading green bloggers on how to make personal, everyday choices to help save the planet.

From New York to Costa Rica, from the first national park in China to a marine protected area in the South Pacific, these are the best of the best, the conservation success stories with the most impact for nature and people in 2007.

The best of more than 11,000 images shot by leading photographers. From Tibet to Tanzania, from hissing alligators to quivering zebras, these photos open a brilliant window into our planet and astonishing animals and places!

The Nature Conservancy has brokered the largest debt-for-nature swap in history -- $12.6 million in debt will be forgiven and $26 million will be provided to finance tropical forest conservation in Costa Rica over the next 16 years.

For decades, the amazing Karner blue butterfly was on the verge of becoming extinct as its oak savannas and pine barrens disappeared. But now, with efforts to restore its habitat, the Karner blue 's future is decidedly more upbeat.